CN104081018B - Supercharger - Google Patents

Supercharger Download PDF

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Publication number
CN104081018B
CN104081018B CN201380006564.XA CN201380006564A CN104081018B CN 104081018 B CN104081018 B CN 104081018B CN 201380006564 A CN201380006564 A CN 201380006564A CN 104081018 B CN104081018 B CN 104081018B
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CN
China
Prior art keywords
mentioned
gripper shoe
fixed
force section
booster
Prior art date
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Active
Application number
CN201380006564.XA
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Chinese (zh)
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CN104081018A (en
Inventor
高桥幸雄
金田真
金田真一
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IHI Corp
Original Assignee
IHI Corp
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Publication date
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Publication of CN104081018A publication Critical patent/CN104081018A/en
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Publication of CN104081018B publication Critical patent/CN104081018B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/009Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by bleeding, by passing or recycling fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/12Control of the pumps
    • F02B37/18Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
    • F02B37/183Arrangements of bypass valves or actuators therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00Regulating or controlling by varying flow
    • F01D17/10Final actuators
    • F01D17/105Final actuators by passing part of the fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/12Control of the pumps
    • F02B37/18Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
    • F02B37/183Arrangements of bypass valves or actuators therefor
    • F02B37/186Arrangements of actuators or linkage for bypass valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/60Fluid transfer
    • F05D2260/606Bypassing the fluid
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Supercharger (AREA)

Abstract

A supercharger is provided with: a turbine housing (4) which has a through-hole (2b) through which the turbine impeller is bypassed; and a waste gate valve (17) which opens and closes the through-hole (2b). A pressing section (24) presses the waste gate valve (17) and a support plate (22) in opposite directions and restricts the rotation of the waste gate valve (17) relative to the support plate (22).

Description

Booster
Technical field
The present invention relates to booster.
Background technology
It is used for known to booster being connected and improve the purposes of output with engine etc..If the boost pressure liter of booster Height, then exhaust gas flow thereafter or pressure rise.If the revolving force of booster raises, boost pressure raises further.Its knot Really, the possibility of engine or turbocharger impairment raises.Accordingly, there exist technical scheme below, in booster, from engine to A part for the downstream bypass waste gas of turbine, thus suppress to flow into the exhaust gas pressure of turbine case.
On the turbine case of booster with above-mentioned functions, it is provided with the insertion of the upstream and downstream of connection turbine wheel Hole.That is, this through hole forms bypass flow channel.The outside of turbine case opposite with this through hole configure waste gate valve.Waste gas Gate valve is by abutting with this through hole, separating to be opened and closed bypass flow channel.
Waste gate valve is installed on the gripper shoe of the movement by driver, with gripper shoe together action.But, if waste gate valve Mutually fully fixed with gripper shoe, then situation about acting on respect to the face of setting through hole in the power making waste gate valve tilt Under, waste gate valve can not inaccessible through hole, gap will be produced between them.Therefore, in booster shown in patent document 1, It is provided with space (clearance) between waste gate valve and gripper shoe.Specifically, waste gate valve has valve body and from this valve The protuberance that main body projects.On the other hand, it is provided with inserting hole on the supporting plate.Insert protuberance in this inserting hole, in valve master In the state of remaining space between body and gripper shoe, rivet, using packing ring etc., the part projecting in protuberance from inserting hole.
But, if having space between this packing ring and gripper shoe, make waste gate valve and support because of the fluctuation of engine Plate is repeatedly contacting and separating, and will produce noise (vibration).Therefore, in the booster shown in patent document 2, valve body with It is configured with flat spring between gripper shoe, maintain the contact condition of valve body and gripper shoe by the active force of flat spring, thus Suppression noise.
Prior art literature
Patent document
Patent document 1:Japanese Unexamined Patent Publication 11-044219 publication
Patent document 2:WO2010/135104A2
Content of the invention
Invent problem to be solved
But, in above-mentioned installation constitution, waste gate valve can rotate with respect to gripper shoe.Due to this rotation, in waste gas Gate valve or between protuberance and gripper shoe produce fricative, this fricative be also produce noise main cause.In patent literary composition If offering in 2 composition although disk spring is welded in waste gate valve or gripper shoe, fricative can be suppressed, but complete to weld Do not have enough gap in disk spring and waste gate valve or and gripper shoe between after connecing process.Therefore, it is necessary to other setting is used In the brake limiting waste gate valve rotation.
It is an object of the invention to provide a kind of booster, following effect can be realized with more simply mechanism, Swingably support waste gate valve, suppress noise by preventing the rotation of waste gate valve.
For solving the scheme of problem
In order to solve above-mentioned problem, the booster of the present invention is characterised by possessing:Cartridge housing, fixing on one side There is turbine case, another side is fixed with compressor reducer shell;Turbine wheel shaft, its one end is provided with the whirlpool being incorporated in above-mentioned turbine case Wheel impeller, the other end is provided with the compressor reducer impeller being incorporated in said compressor shell;Through hole, it is arranged at above-mentioned turbine Shell, makes the fluid being directed to above-mentioned turbine wheel bypass from the upstream toward downstream of this turbine wheel;Waste gate valve, it has and sets The protuberance being equipped with the main body of bearing surface being opened and closed above-mentioned through hole and being arranged at this bearing surface opposition side of this main body;Support Plate, it makes above-mentioned protuberance be inserted through inserting hole and keep, and makes above-mentioned waste gate valve with mobile phase for above-mentioned insertion Hole is opened and closed;And force section, its one end is fixed on aforementioned body or above-mentioned protuberance, and the other end is fixed on above-mentioned gripper shoe, limit Make the rotation of above-mentioned waste gate valve, and to aforementioned body or above-mentioned protuberance, and above-mentioned gripper shoe is applied respectively round about Power.
Can also be that the aforementioned body phase across above-mentioned gripper shoe of above-mentioned protuberance is fixed in one end of above-mentioned force section Toss about, the other end of this force section is fixed on the arbitrary position beyond relative with this main body face in above-mentioned gripper shoe.
Can also be that aforementioned body is fixed in one end of above-mentioned force section, the other end of this force section is fixed on above-mentioned Arbitrary position beyond the face relative with this main body in fagging.
Can also be that above-mentioned force section is flat spring, the other end of above-mentioned force section is fixed in above-mentioned gripper shoe and is located at Lateral surface outside the diametric(al) of above-mentioned inserting hole.
Above-mentioned force section can also be helical spring.
Invention effect
In accordance with the invention it is possible to realize on one side swingably supporting waste gate valve while in rotation side with simpler mechanism The noise rejection effect prevented upwards and cause.
Brief description
Fig. 1 is the general profile chart of booster.
Fig. 2 is the stereoscopic figure of booster.
Fig. 3 is the general profile chart for the gripper shoe of waste gate valve construction is described.
Fig. 4 is the explanatory diagram for variation is described.
Specific embodiment
To explain the suitable embodiment of the present invention referring to the drawings.Size shown in this embodiment, Material, other concrete numerical value etc., for making invention easy to understand and only polyinstantiation, except special circumstances, otherwise do not limit In the present invention.Additionally, in this specification and accompanying drawing, to the key element mark identical symbol that there is substantially identical function, constitute Number and omit repeat specification, in addition to be not directly dependent upon with the present invention omitting elements diagram.
Fig. 1 is the general profile chart of booster 1, and Fig. 2 is the stereoscopic figure of booster 1.Hereinafter, with the arrow shown in Fig. 1 Head F direction is the front side of booster 1, is illustrated with arrow R direction for the rear side of booster 1.As shown in figure 1, booster 1 has Standby cartridge housing 2, turbine case 4 and compressor reducer shell 6.Turbine case 4 is passed through bolt 3 and is linked with the front side of cartridge housing 2.Compressor reducer shell 6 Linked by the rear side of bolt 5 and cartridge housing 2.
The axle being formed with insertion booster 1 fore-and-aft direction on cartridge housing 2 is subject to hole 2a.Turbine wheel shaft 7 passes through bearing rotary certainly As be supported on this axle be subject to hole 2a.Integratedly it is linked with turbine wheel 8 in the leading section (one end) of turbine wheel shaft 7.Turbine wheel 8 Rotatably it is accommodated in turbine case 4.In addition, the rearward end (other end) in turbine wheel shaft 7 is integratedly linked with compressor reducer Impeller 9.Compressor reducer impeller 9 is rotatably accommodated in compressor reducer shell 6.
Air entry 10 is formed with compressor reducer shell 6.Air entry 10 in the rear openings of booster 1, and with not shown Air purifier connect.After bolt 5 is linked with cartridge housing 2, the opposed faces of this two shell 2,6 form compression to compressor reducer shell 6 Air and the diffusion runner 11 that boosts.Diffusion runner 11 is inside the diametric(al) of turbine wheel shaft 7 (compressor reducer impeller 9) towards outside Be formed as ring-type, and connected with air entry 10 by compressor reducer impeller 9 inside the direction of above-mentioned footpath.
Compressor reducer shell 6 has the scroll compressor runner 12 of ring-type.Scroll compressor runner 12 is than diffusion runner 11 more position Outside the footpath direction of turbine wheel shaft 7 (compressor reducer impeller 9).Scroll compressor runner 12 is with engine suction mouth (not shown) even Logical, and also connect with diffusion runner 11.Therefore, after compressor reducer impeller 9 rotation, suck in air entry 10 is to compressor reducer shell 6 Fluid.The fluid sucking boosts in diffusion runner 11 and scroll compressor runner 12, is then channeled to the suction of engine Gas port.
Turbine case 4 has outlet 13.Outlet 13, in the front openings of booster 1, is filled with waste gas purification (not shown) Put connection.In addition, turbine case 4 has the turbine volute runner 15 of runner 14 and ring-type.Turbine volute runner 15 compares runner Outside 14 diametric(al)s being more located at turbine wheel shaft 7 (turbine wheel 8).Turbine volute runner 15 and the waste gas guiding from engine Gas inflow entrance 16 (shown in Fig. 2) connection of the waste gas that mouth is discharged.In addition, turbine volute runner 15 is also connected with runner 14. Therefore, waste gas is directed to turbine volute runner 15 from gas inflow entrance 16, further, passing through runner 14 and turbine wheel 8 It is directed to outlet 13.In the process of circulation of this waste gas, waste gas makes turbine wheel 8 rotate.The revolving force of turbine wheel 8 leads to Cross turbine wheel shaft 7 to be transferred to compressor reducer impeller 9 and make compressor reducer impeller 9 rotate.Liquid passes through the revolving force of compressor reducer impeller 9 as above Boost describedly, be then channeled to the air entry of engine.
As shown in Fig. 2 turbine case 4 has wall portion, described wall portion forms and links gas inflow entrance 16 and turbine volute stream The runner in road 15 (in Fig. 2 shown in dotted line).Through hole 2b is provided with this wall portion.Through hole 2b and outlet 13 are towards same side To opening.From gas inflow entrance 16 flow into fluid a part be possible to by through hole 2b to the downstream of turbine wheel 8 by Logical (outflow).
Waste gate valve 17 is to abut with the edge part of through hole 2b and close through hole 2b, separate from through hole 2b and open The valve of through hole 2b.The action of waste gate valve 17 respective drivers 18 and be opened and closed.
Driver 18 has work department 18a.The pressure of scroll compressor runner 12 passes through pipe arrangement 19 and passes to work department 18a Pass.Work department 18a is configured at dividing plate circle shell within and spring constituted by the shell of drum and mainly.If being derived from pipe arrangement 19 Pressure exceed the elastic force of spring after, dividing plate is so that object (that is, driver 18) the direction movement shown in the arrow A of Fig. 2 Mode works.
The bar 18b of driver 18 is connected with work department 18a (dividing plate).If work department 18a (dividing plate) works, bar 18b also moves to arrow A direction with its work.I.e., bar 18b moves along a straight line because of the work of work department 18a.Bar 18b's Front end is connected with one end of connecting member 20.One end of connecting member 20 is sliding freely supported in axle portion 18c of bar 18b.Even The other end of knot part 20 is fixed on one end of axle 21.Axle 21 is rotatably held in turbine case 4.As shown in Fig. 2 bar 18b Central shaft and axle 21 the state crossings on different level to be only mutually separated with substantially connecting member 20 length for the Pivot axle.Therefore, if Bar 18b moves, then connecting member 20 is rotated with axle 21 for Pivot axle.With the rotation of connecting member 20, axle 21 is to Fig. 2's Direction shown in arrow B rotates.The other end of axle 21 is held in waste gate valve 17 by gripper shoe 22.Therefore, if gripper shoe 22 Rotate to arrow B direction with axle 21 and move, then waste gate valve 17 opens through hole 2b.
The aperture of waste gate valve 17 changes according to the pressure of the fluid being compressed by scroll compressor runner 12.According to this pressure The change of power, to adjust turbine wheel 8 downstream side bypass waste gas flow.
So, waste gate valve 17 adjusts the fluid (waste gas) of bypassed turbine impeller 8 with the work of work department 18a Flow.That is, waste gate valve 17 suppresses to flow into the exhaust gas pressure of turbine volute runner 15 from gas inflow entrance 16, thus adjusting The rotation output of turbine wheel 8.
Fig. 3 is the general profile chart for the gripper shoe of waste gate valve 17 construction is described.As shown in figure 3, waste gate valve 17 It is installed on gripper shoe 22.Specifically, waste gate valve 17 has main body 17a and is fixed on the protuberance 17c of main body 17a.Main body 17a has the bearing surface 17b connecting with the through hole 2b of turbine case 4.Protuberance 17c be fixed on main body 17a with bearing surface 17b The face of opposition side.Protuberance 17c projects towards the opposition side of bearing surface 17b.In addition, protuberance 17c can also be with main body 17a mono- Body is formed.
It is formed with inserting hole 22a in gripper shoe 22.Inserting hole 22a is along the main body 17a phase of gripper shoe 22 and waste gate valve 17 To direction insertion.The protuberance 17c of waste gate valve 17 is inserted through this inserting hole 22a and is kept.In protuberance 17c, from The part that inserting hole 22a projects is configured with secure component (fastener) 23.Secure component 23 with main body 17a and gripper shoe 22 it Between remain the state in space and be fixed on protuberance 17c, and specify that waste gate valve 17 is (removable with respect to the position of gripper shoe 22 Scope).Secure component 23 is external diameter packing ring bigger than inserting hole 22 etc..Secure component 23 is fixed on prominent with riveting or welding etc. Go out portion 17c.
Booster 1 possesses force section 24.Force section 24 is made up of elastomeric elements such as springs.The force section 24 of present embodiment For flat spring.Protuberance 17c is fixed in one end of force section 24, and the other end of force section 24 is fixed on gripper shoe 22.This is fixed Method is such as welding, riveting or bolt fastening, it is possible to use other known methods.
The main body 17a opposition side across gripper shoe 22 of protuberance 17c is fixed in one end of force section 24.Force section 24 The other end is fixed on more detached with the main body 17a position of more relative than main body 17a face 22b in gripper shoe 22.Specifically, exert a force The other end in portion 24 is fixed on the lateral surface 22c being located in gripper shoe 22 outside the diametric(al) of inserting hole 22a.
By being fixed by welding etc. in this wise, the protuberance 17c with waste gate valve 17 that can limit force section 24 is as axle Rotation.
Protuberance 17c and gripper shoe 22 are exerted a force by force section 24 to mutually opposite direction.That is, force section 24 is to protuberance 17c is to the lower section force of Fig. 3, and gripper shoe 22 is exerted a force to the top of Fig. 3.
Now, force section 24 is consolidated with the state (being stretched the state of the power in direction) more opened than no-load condition Fixed.That is, always produce the stress that force section 24 is closed in force section 24.Therefore, gripper shoe 22 pass through force section 24 to The active force in the direction of closure presses on secure component 23.
Additionally, force section 24 can also be with the state (by the state of the power of compression direction) than no-load condition more closure Fixed.In this case, gripper shoe 22 presses on main body 17a by force section 24 to the active force in the direction opened.Further, Secure component 23 can also be omitted in this case.
As described above, in the booster 1 of present embodiment, force section 24 is by main body 17a and gripper shoe 22 to mutual Contrary direction force.Force section 24 is passed through welding etc. and is fixed on main body 17a and gripper shoe 22.Therefore, waste gate valve 17 Rotation is always subjected to limit.Additionally, tilting with respect to the face being provided with through hole 2b in the bearing surface 17b of waste gate valve 17 and connecing When tactile, the elastic force of opposing force section 24, bearing surface 17b is parallel with the face being provided with through hole 2b.
Therefore, booster 1 can be by waste gate valve 17 come reliably inaccessible through hole 2b.In addition, beating in through hole 2b In the state of opening, gripper shoe 22 and secure component 23 can be maintained to be adjacent to state by the elastic force of force section 24.This is adjacent to State suppression is produced by the vibration of engine etc., gripper shoe 22 is interrupted with waste gate valve 17 contact or friction.Accordingly, it is capable to The noise that enough suppression produce because of these contacts or friction.Force section 24 is only fixed on prominent by this mechanism by welding etc. Portion 17c and the simple structure of gripper shoe 22, its manufacturing cost is cheap.Therefore, the booster 1 of present embodiment can be made at a low price Make.
(the 1st variation)
Fig. 4 is the explanatory diagram for variation is described.Especially, Fig. 4 (a) represents that the corresponding with Fig. 3 of the 1st variation is cutd open View, Fig. 4 (b) represents the sectional view corresponding with Fig. 3 of the 2nd variation.
In the above-described embodiment, welding etc. is passed through in force section 24, and protuberance 17c is fixed in one end, and the other end is fixed In gripper shoe 22.On the other hand, in the 1st variation, such as shown in Fig. 4 (a), main body 17a is fixed on, separately in one end of force section 34 Gripper shoe 22 is fixed in one end.
Specifically, main body 17a is fixed in one end of force section 34, and the other end of force section 34 is fixed in gripper shoe 22 More detached with main body 17a position than the face 22b relative with main body 17a.
In this case, force section 34 is fixed with the state than no-load condition more closure.Therefore, gripper shoe 22 is passed through Force section 34 presses on secure component 23 to the active force in the direction opened.
Additionally, force section 34 can also be fixed with the state more opened than no-load condition.In this case, gripper shoe 22 press on main body 17a by force section 34 to the active force in the direction closing.Further, fastening can also be omitted in this case Part 23 omits.
(the 2nd variation)
In the 2nd variation, such as shown in Fig. 4 (b), force section 44 is made up of helical spring.Helical spring is more particularly It is taper spring.
In the 2nd variation, the main body 17a phase across gripper shoe 22 of protuberance 17c is fixed in one end of force section 44 Toss about, the other end of force section 44 is fixed on more detached with main body 17a than the face 22b relative with main body 17a in gripper shoe 22 Position.Specifically, this position is the face 22d with face 22b opposition side.
Force section 44 is to be fixed more like the state of the above-below direction compression of Fig. 4 (b) than no-load condition.Therefore, support Plate 22 presses on main body 17a by force section 44 to the active force in the direction upheld.
Also as above-mentioned embodiment, booster 1 can lead to structure shown in 1st variation and the 2nd variation Cross waste gate valve 17 come reliably inaccessible through hole 2b it is also possible to simple mechanism realize suppression because waste gate valve 17 with respect to The contact of gripper shoe 22 or friction and the noise that causes are such that it is able to be manufactured inexpensively.
Above although being illustrated to the suitable embodiment of the present invention referring to the drawings, but the present invention does not limit Scheduling should.It will be understood by a person skilled in the art that substantially it is conceivable that various modifications example in the range of the claim of patent Or fixed case, these fall within the technical scope of the present invention certainly.
In above-mentioned embodiment and variation, the other end of force section is fixed on the lateral surface of gripper shoe 22 The situation of 22c or face 22d is illustrated.But, the fixed position of the other end of force section or with main body 17a phase To face 22b beyond arbitrary position.According to this composition, it is fixed on relative with main body 17a compared to the other end of force section The situation of face 22b, can be more easily accomplished the fixing process such as welding.
Additionally, the present invention is not limited to above-mentioned embodiment.For example increase it is also possible to be applied to as so-called pair of whirlpool type Depressor is the same, has the booster of multiple turbine volute runners.In this case, bypass flow channel flows to each turbine to shunt The mode of the air-flow of volute runner is respectively provided with.Each bypass flow channel arrange present embodiment valve system, thus adjust waste gas to The inflow ratio of each turbine volute runner.
Further, the present invention also can be applied to the supercharging device possessing multiple boosters.In this case, multiple boosters Flow direction along waste gas connects with forming a line.For example possesses the increasing of the flow direction upstream side positioned at waste gas in supercharging device Depressor and be located at waste gas the booster in flow direction downstream in the case of, the outlet of the booster of upstream side and downstream The gas inflow entrance of booster connected by exhaust gas flow path.The valve system of present embodiment is set in each booster, thus adjusting The inflow ratio of the turbine volute runner to each booster for the whole waste gas.
Industrial applicability
The present invention can be applied to booster, and described possess the runner that opening and closing makes to be guided to the bypass of fluid of turbine wheel Waste gate valve.

Claims (6)

1. a kind of booster, it possesses:
Cartridge housing, one side is fixed with turbine case, and another side is fixed with compressor reducer shell;
Turbine wheel shaft, its one end is provided with the turbine wheel being incorporated in above-mentioned turbine case, on the other end is provided with and is incorporated in State the compressor reducer impeller in compressor reducer shell;
Through hole, it is arranged at above-mentioned turbine case, makes to be directed to the upstream from this turbine wheel for the fluid of above-mentioned turbine wheel Downstream bypass;And
Waste gate valve, it has to be provided with the main body of bearing surface being opened and closed above-mentioned through hole and be arranged at this of this main body and supports The protuberance of junction opposition side,
Above-mentioned booster is characterised by, is also equipped with:
Gripper shoe, it makes above-mentioned protuberance be inserted through inserting hole and keep, and make above-mentioned waste gate valve with mobile phase for Above-mentioned through hole opening and closing;And
Force section, its one end is fixed on aforementioned body or above-mentioned protuberance, and the other end is fixed on above-mentioned gripper shoe, limits above-mentioned useless The rotation of air valve, and to aforementioned body or above-mentioned protuberance, and above-mentioned gripper shoe exerts a force respectively round about,
Space is remained between aforementioned body and above-mentioned gripper shoe.
2. booster according to claim 1 it is characterised in that
The aforementioned body opposition side across above-mentioned gripper shoe of above-mentioned protuberance is fixed in one end of above-mentioned force section,
The other end of this force section is fixed on the arbitrary position beyond relative with this main body face in above-mentioned gripper shoe.
3. booster according to claim 1 it is characterised in that
Aforementioned body is fixed in one end of above-mentioned force section,
The other end of this force section is fixed on the arbitrary position beyond relative with this main body face in above-mentioned gripper shoe.
4. booster according to claim 2 it is characterised in that
Above-mentioned force section is flat spring,
The other end of above-mentioned force section is fixed on the lateral surface being located in above-mentioned gripper shoe outside the diametric(al) of above-mentioned inserting hole.
5. booster according to claim 3 it is characterised in that
Above-mentioned force section is flat spring,
The other end of above-mentioned force section is fixed on the lateral surface being located in above-mentioned gripper shoe outside the diametric(al) of above-mentioned inserting hole.
6. booster according to claim 2 it is characterised in that
Above-mentioned force section is helical spring.
CN201380006564.XA 2012-01-31 2013-01-30 Supercharger Active CN104081018B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012017901A JP5987330B2 (en) 2012-01-31 2012-01-31 Turbocharger
JP2012-017901 2012-01-31
PCT/JP2013/051957 WO2013115206A1 (en) 2012-01-31 2013-01-30 Supercharger

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Publication Number Publication Date
CN104081018A CN104081018A (en) 2014-10-01
CN104081018B true CN104081018B (en) 2017-02-08

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US (1) US9631628B2 (en)
JP (1) JP5987330B2 (en)
CN (1) CN104081018B (en)
DE (1) DE112013000767T5 (en)
WO (1) WO2013115206A1 (en)

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US9631628B2 (en) 2017-04-25

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